There's a lot to like about the 245T including its static image quality, viewing angles and contrast performance. But at this price point, something close to perfection is to be excepted. At £600+ any major flaws are simply unacceptable and the fact that the 245T actually has two – moderate input lag and occasionally serious inverse ghosting – might seem pretty shocking.
However, these problems are related to the PVA panel technology that dominates the high end 24-inch monitor scene at the moment. More precisely, they appear when pixel overdrive techniques are used to speed up the extremely slow response. In other words, they are hard to avoid on PVA monitors.